Instrumentation, Producer, Engineer (2008) Torment [Bonus Track] by Seventh Angel

Engineer, Piano (2008) Sound [Bonus Tracks] by The Mighty Lemon Drops

Keyboards (2006) Twilight Chronicles by Ten

Engineer, Keyboards, Programming (2006) Twilight Chronicles [Bonus Track] by Ten

Keyboards, Engineer, Group Member (2006) Essential Collection 1995-2005 by Ten

Guitar (Electric) (2004) In Film: 1969-1973 by Galt MacDermot

Group Member, Keyboards (2004) Return to Evermore [China] by Ten

Piano, Keyboards (2003) Once and Future King, Pt. 2 by Gary Hughes

Piano, Keyboards (2003) Once and Future King, Pt. 1 by Gary Hughes

Keyboards, Musician (2003) Pulse by Original Soundtrack

Keyboards (2003) Far Beyond the World [Frontiers] by Ten

Producer, Keyboards, Engineer, Vocals (Background), Mixing (2003) When Empires Burn [Italy Bonus Tracks] by Bob Catley

Keyboards, Producer, Strings, Engineer (2003) Heavy Thought by Al Atkins

Keyboards (2002) Far Beyond the World [Victor] by Ten

Keyboards, Musical Director (2001) Middle Earth by Bob Catley

Rap (1996) Tamurinillis by George Clinton

Bass, Keyboards, Engineer, Guitar, Vocals, Harmony Vocals, Bass (Electric), Vocals (Background) (1994) Get Real by The Safri Boys